Overview: Chachi accidentally sets Arnold's on fire, and Fonzie, Potsie, and Ralph are trapped inside.
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First Air Date: Jan 15, 1974Last Air date: Sep 24, 1984Season: 11 SeasonEpisode: 252 EpisodeRuntime: 22 minutesQuality: HDIMDb: 7.69 / 10 by 264 usersPopularity: 92.783Language: English